Example PDF class for Prawn

brief_pdf.rb

class BriefPdf < Prawn::Document
  def initialize(brief, user)
    super(top_margin: 70, left_margin: 80, right_margin: 80, bottom_margin: 50)
    @brief = brief
    @user = user
    header
    company
    contact
    project
  end
  
  def header
    left = bounds.left - 80
    right = bounds.right + 80
    full_width = bounds.width + 160
    stroke do
      horizontal_line left, right, at: bounds.top + 51
      stroke_color "CCCCCC"
    end  
    fill do
      rectangle [left, bounds.top + 50], full_width, 60
      fill_color "EEEEEE"
    end
    stroke do
      horizontal_line left, right, at: bounds.top - 10
      stroke_color "CCCCCC"
    end  
    bounding_box [left, bounds.top + 35],
                 width: full_width,
                 height: 60 do      
        font "Helvetica"
        fill_color "666666"
        text "CS Workflow Copywriting Brief", align: :center, size: 20
        fill_color "333333"
        text "Created for <b>#{@user.name}</b>", align: :center, size: 12, inline_format: :true
    end
  end
  
  def contact
    bounding_box [(bounds.width/2)+20, bounds.top-30], width: (bounds.width/2)-20 do
      section_heading("Contact")
      text @brief.name
      text @brief.phone
      text @brief.email
    end
  end
  
  def company
    bounding_box [bounds.left, bounds.top-30], width: (bounds.width/2)-20 do
      section_heading("Company")
      text @brief.company_name
      text @brief.company_tagline
      text "<color rgb='0000dd'>#{@brief.company_website}</color>", inline_format: true
    end
  end
  
  def project
    section_heading("Project")
    move_down 5
    text @brief.title, size: 16, style: :bold
    text "Deadline: #{@brief.deadline}", size: 14
    move_down 10
    section_item("Description", @brief.description)
    section_item("Objective", @brief.objective)
    section_item("Audience", @brief.audience)
    section_item("Voice", @brief.voice)
    section_item("Pitch", @brief.pitch)
    section_item("Things to include", @brief.must_include)
    section_item("Things to avoid", @brief.must_not_include)
    section_item("Lead in", @brief.lead_in)
    section_item("Available material", @brief.material.blank? ? "None" : @brief.material)
    section_item("Inspiration", @brief.inspiration.blank? ? "None" : @brief.inspiration)
    section_item("General comments", @brief.general_comments.blank? ? "None" : @brief.general_comments)
  end
  
  def section_heading(str)
    move_down 20
    text str, size: 20, style: :bold
  end
  
  def section_item(head, body)
    text head, size: 14, style: :bold
    text body
    move_down 15
  end
  
end